Intel D915GMH English Manual Product Guide - Page 44

IEEE 1394 Headers (Optional), Connecting USB 2.0 Headers, Connecting the Front Panel Header, Table 8.

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Intel Desktop Board D915GMH Product Guide IEEE 1394 Headers (Optional) See Figure 19, C on page 42 for the location of the optional blue IEEE 1394 headers. Table 8 shows the pin assignments for the headers. Table 8. IEEE 1394 Header Signal Names Pin Signal Name 1 TPA1+ 3 Ground 5 TPA2+ 7 +12 V 9 Key (no pin) Pin Signal Name 2 TPA14 Ground 6 TPA28 +12 V 10 Ground Connecting USB 2.0 Headers See Figure 19, D on page 42 for the location of the black USB 2.0 headers. Table 9 shows the pin assignments for the USB 2.0 headers. Table 9. USB 2.0 Header Signal Names USB Port A Pin Signal name 1 Power 3 D- 5 D+ 7 Ground 9 Key Note: USB ports may be assigned as needed. USB Port B Pin Signal name 2 Power 4 D- 6 D+ 8 Ground 10 No connect Connecting the Front Panel Header See Figure 19, C on page 42 for the location of the multi-colored front panel header. Table 10 shows the pin assignments for the front panel header. Table 10. Front Panel Header Signal Names Pin Signal In/Out Description Pin Signal In/Out Description Hard Drive Activity LED (Orange) Power LED (Green) 1 HD_PWR Out Hard disk LED pull- 2 HDR_BLNK_GRN Out Front panel green up (330 Ω) to +5 V LED 3 HDA# Out Hard disk active LED 4 HDR_BLNK_YEL Out Front panel yellow LED Reset Switch (Purple) On/Off Switch (Red) 5 Ground 7 FP_RESET# In Ground Reset switch 6 SWITCH_ON# In 8 Ground Power switch Ground 9 N/C Not connected 10 No pin No pin 44

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Intel Desktop Board D915GMH Product Guide
44
IEEE 1394 Headers (Optional)
See Figure 19, C on page 42 for the location of the optional blue IEEE 1394 headers.
Table 8
shows the pin assignments for the headers.
Table 8.
IEEE 1394 Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
TPA1+
2
TPA1-
3
Ground
4
Ground
5
TPA2+
6
TPA2-
7
+12 V
8
+12 V
9
Key (no pin)
10
Ground
Connecting USB 2.0 Headers
See Figure 19, D on page 42 for the location of the black USB 2.0 headers.
Table 9 shows the pin
assignments for the USB 2.0 headers.
Table 9.
USB 2.0 Header Signal Names
USB Port A
USB Port B
Pin
Signal name
Pin
Signal name
1
Power
2
Power
3
D-
4
D-
5
D+
6
D+
7
Ground
8
Ground
9
Key
10
No connect
Note:
USB ports may be assigned as needed.
Connecting the Front Panel Header
See Figure 19, C on page 42 for the location of the multi-colored front panel header.
Table 10
shows the pin assignments for the front panel header.
Table 10.
Front Panel Header Signal Names
Pin Signal
In/Out
Description
Pin
Signal
In/Out
Description
Hard Drive Activity LED (Orange)
Power LED (Green)
1
HD_PWR
Out
Hard disk LED pull-
up (330
Ω
) to +5 V
2
HDR_BLNK_GRN
Out
Front panel green
LED
3
HDA#
Out
Hard disk active LED
4
HDR_BLNK_YEL
Out
Front panel yellow
LED
Reset Switch (Purple)
On/Off Switch (Red)
5
Ground
Ground
6
SWITCH_ON#
In
Power switch
7
FP_RESET#
In
Reset switch
8
Ground
Ground
9
N/C
Not connected
10
No pin
No pin